Home / 187,885.04-259,274.48-103,000.24

Finding the Fourth Proportional to 187,885.04, 259,274.48 and 103,000.24

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Solution

The fourth proportional to 187,885.04, 259,274.48 and 103,000.24 is: 142,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,885.04 : 259,274.48 = 103,000.24 : x
  2. Step 2: Convert to fraction form
    187,885.04/259,274.48 = 103,000.24/x
  3. Step 3: Cross multiply
    187,885.04x = 259,274.48 × 103,000.24
  4. Step 4: Simplify right side
    187,885.04x = 26,705,333,665.88
  5. Step 5: Solve for x
    x = 26,705,333,665.88/187,885.04
  6. Step 6: Final answer
    x = 142,136.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.